This opportunity is a total small business set-aside for the manufacture of a 1/2 inch socket weld in-line stop valve with backseat, designated as SPECIAL EMPHASIS (Level I) material for a crucial shipboard system. The contract requires First Article Testing (FAT) and approval, with one unit to be tested, and includes a one-year warranty on supplies from the date of delivery. Performance of services is at the contractor's facility, with Government Quality Assurance at source, and the place of performance cannot be changed without authorization. The contract is DO-rated for national defense use under the Defense Priorities and Allocations System (DPAS). No specific budget amount or submission timeline is provided in the description.